Densified metal-organic framework (MOF) adsorbents for enhanced gas separation
By downsizing and introducing defects in MOFs using a coordination modulator, the structural integrity and gas selectivity are enhanced, addressing the limitations of traditional MOFs in real-world applications.
US20260192280A1Pending Publication Date: 2026-07-09
Patent Information
- Authority / Receiving Office
- US · United States
- Patent Type
- Applications(United States)
- Filing Date
- 2026-01-09
- Publication Date
- 2026-07-09
AI Technical Summary
Technical Problem
Traditional metal-organic frameworks (MOFs) face challenges such as low bulk density, poor mechanical integrity, and structural changes during densification, leading to unpredictable performance in real-world applications.
Method used
A method involving particle downsizing and defect engineering through the use of a coordination modulator to slow nanoparticle growth and introduce structural defects, resulting in a densified MOF with reduced interparticle voids and tailored pore architecture.
Benefits of technology
The densified MOF exhibits enhanced gas selectivity and separation efficiency, with improved performance in applications like carbon dioxide capture and krypton/xenon separation.
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Figure US20260192280A1-D00000_ABST
Abstract
Densified metal-organic frameworks (MOFs) and methods for manufacturing densified MOFs tailored to enhance gas separation processes. The methods employ an innovative densification method utilizing several techniques, including particle downsizing, systematic compression, and / or defect engineering, to minimize distances between particles. These processes effectively regulate the crystal structure, interparticle interactions, pore characteristics, and gas diffusion within the framework. The densified MOFs address challenges in gas separation technologies, offering scalable, energy-efficient solutions for applications such as CO2 / hydrocarbon separation to Kr / Xe separation.
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